The English phrase "let the good times roll" translates to "laissez le bon pain de périodes" in French. AnswerParty!
French (le français [lə fʁ̥ɒ̃sɛ] ( ) or la langue française [la lɑ̃ɡ fʁɑ̃sɛz]) is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the provinces of Quebec, Ontario and New Brunswick (Acadia region) in Canada, the Acadiana region of the U.S. state of Louisiana, the northern parts of the U.S. states of Maine, New Hampshire and Vermont in the New England region, and by various communities elsewhere. Other speakers of French, who often speak it as a second language, are distributed throughout many parts of the world, the largest numbers of whom reside in Francophone Africa. In Africa, French is most commonly spoken in Gabon (where 80% report fluency), Mauritius (78%), Algeria (75%), Senegal and Côte d'Ivoire (70%). French is estimated as having 110 million native speakers and 190 million more second language speakers. Let the Good Times Roll
The expression Laissez les bons temps rouler (alternatively Laissez les bon temps rouler, Laissez le bon temps rouler, Laisser les bons temps rouler, and Laisser le bon temps rouler, French pronunciation: [lɛse le bɔ̃ tɑ̃ ʁule]) is a Cajun French phrase which is literally translated from the English expression "Let the good times roll."
This phrase is often mentioned when Mardi Gras is celebrated, on local television, and on radio. It is a common phrase in multiple early French Colonial areas.